From patchwork Sun Dec 22 13:00:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11307431 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 21ABE139A for ; Sun, 22 Dec 2019 13:00:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 09F38206CB for ; Sun, 22 Dec 2019 13:00:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09F38206CB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DB01E89ACC; Sun, 22 Dec 2019 13:00:23 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC03689A5C for ; Sun, 22 Dec 2019 13:00:20 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 19663068-1500050 for ; Sun, 22 Dec 2019 13:00:18 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Sun, 22 Dec 2019 13:00:16 +0000 Message-Id: <20191222130017.1368718-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Subject: [Intel-gfx] [CI 1/2] drm/i915/gt: Pull intel_gt_init_hw() into intel_gt_resume() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Since intel_gt_resume() is always immediately proceeded by init_hw, pull the call into intel_gt_resume, where we have the rpm and fw already held. Signed-off-by: Chris Wilson Cc: Andi Shyti Reviewed-by: Andi Shyti --- drivers/gpu/drm/i915/gem/i915_gem_pm.c | 20 +------------------- drivers/gpu/drm/i915/gt/intel_gt.c | 5 ----- drivers/gpu/drm/i915/gt/intel_gt_pm.c | 12 +++++++++++- 3 files changed, 12 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index 3671a4e7e1cb..c8264eb036bf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -101,28 +101,10 @@ void i915_gem_resume(struct drm_i915_private *i915) { GEM_TRACE("%s\n", dev_name(i915->drm.dev)); - intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); - - if (intel_gt_init_hw(&i915->gt)) - goto err_wedged; - /* * As we didn't flush the kernel context before suspend, we cannot * guarantee that the context image is complete. So let's just reset * it and start again. */ - if (intel_gt_resume(&i915->gt)) - goto err_wedged; - -out_unlock: - intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); - return; - -err_wedged: - if (!intel_gt_is_wedged(&i915->gt)) { - dev_err(i915->drm.dev, - "Failed to re-initialize GPU, declaring it wedged!\n"); - intel_gt_set_wedged(&i915->gt); - } - goto out_unlock; + intel_gt_resume(&i915->gt); } diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index f29c44bf992f..3859a6f467b3 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -594,11 +594,6 @@ int intel_gt_init(struct intel_gt *gt) intel_uc_init(>->uc); - err = intel_gt_init_hw(gt); - if (err) - goto err_uc_init; - - /* Only when the HW is re-initialised, can we replay the requests */ err = intel_gt_resume(gt); if (err) goto err_gt_init_hw; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 6231fe91a3b1..45b68a17da4d 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -187,7 +187,7 @@ int intel_gt_resume(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; - int err = 0; + int err; GT_TRACE(gt, "\n"); @@ -202,6 +202,15 @@ int intel_gt_resume(struct intel_gt *gt) intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL); intel_rc6_sanitize(>->rc6); + /* Only when the HW is re-initialised, can we replay the requests */ + err = intel_gt_init_hw(gt); + if (err) { + dev_err(gt->i915->drm.dev, + "Failed to initialize GPU, declaring it wedged!\n"); + intel_gt_set_wedged(gt); + goto err_fw; + } + intel_rps_enable(>->rps); intel_llc_enable(>->llc); @@ -234,6 +243,7 @@ int intel_gt_resume(struct intel_gt *gt) user_forcewake(gt, false); +err_fw: intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL); intel_gt_pm_put(gt);